KR101026617B1 - 탄성파 필터 - Google Patents

탄성파 필터 Download PDF

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Publication number
KR101026617B1
KR101026617B1 KR1020080122929A KR20080122929A KR101026617B1 KR 101026617 B1 KR101026617 B1 KR 101026617B1 KR 1020080122929 A KR1020080122929 A KR 1020080122929A KR 20080122929 A KR20080122929 A KR 20080122929A KR 101026617 B1 KR101026617 B1 KR 101026617B1
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KR
South Korea
Prior art keywords
filter
wave filter
mode
acoustic wave
connection points
Prior art date
Application number
KR1020080122929A
Other languages
English (en)
Korean (ko)
Other versions
KR20090064304A (ko
Inventor
사토루 오노
야스시 구로다
Original Assignee
다이요 유덴 가부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 다이요 유덴 가부시키가이샤 filed Critical 다이요 유덴 가부시키가이샤
Publication of KR20090064304A publication Critical patent/KR20090064304A/ko
Application granted granted Critical
Publication of KR101026617B1 publication Critical patent/KR101026617B1/ko

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/0023—Balance-unbalance or balance-balance networks
    • H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
    • H03H9/0085—Balance-unbalance or balance-balance networks using surface acoustic wave devices having four acoustic tracks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/14588—Horizontally-split transducers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • H03H9/42—Time-delay networks using surface acoustic waves

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
KR1020080122929A 2007-12-14 2008-12-05 탄성파 필터 KR101026617B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2007-323892 2007-12-14
JP2007323892A JP5016467B2 (ja) 2007-12-14 2007-12-14 弾性波フィルタ

Publications (2)

Publication Number Publication Date
KR20090064304A KR20090064304A (ko) 2009-06-18
KR101026617B1 true KR101026617B1 (ko) 2011-04-04

Family

ID=40752412

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080122929A KR101026617B1 (ko) 2007-12-14 2008-12-05 탄성파 필터

Country Status (4)

Country Link
US (1) US7986200B2 (ja)
JP (1) JP5016467B2 (ja)
KR (1) KR101026617B1 (ja)
CN (1) CN101459417B (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8260347B2 (en) 2008-05-20 2012-09-04 Intel Mobile Communications GmbH Radio frequency communication devices and methods
US8565814B2 (en) * 2008-08-28 2013-10-22 Intel Mobile Communications GmbH Radio frequency communication devices and methods
JP5418091B2 (ja) * 2009-09-11 2014-02-19 パナソニック株式会社 弾性波フィルタ装置及びこれを用いたデュプレクサ及び電子機器
JP5461207B2 (ja) * 2010-01-21 2014-04-02 京セラ株式会社 弾性表面波装置
CN105391421B (zh) 2010-11-09 2018-04-06 天工滤波方案日本有限公司 弹性波装置
DE102010055648B4 (de) * 2010-12-22 2018-03-22 Snaptrack, Inc. Filterbauelement
JP5855639B2 (ja) * 2011-02-28 2016-02-09 京セラ株式会社 弾性波フィルタ
CN103053112B (zh) * 2011-03-09 2015-12-09 天工松下滤波方案日本有限公司 弹性波装置
KR101592804B1 (ko) * 2012-02-06 2016-02-05 다이요 유덴 가부시키가이샤 필터 회로 및 모듈
DE112015004917T5 (de) * 2014-10-31 2017-07-13 Murata Manufacturing Co., Ltd. Vorrichtung für elastische Wellen und Modul für elastische Wellen
CN108352826B (zh) * 2015-11-27 2021-08-06 株式会社村田制作所 滤波器装置
DE102021133288A1 (de) 2021-12-15 2023-06-15 Faurecia Autositze Gmbh Anordnung und Manipulationssystem sowie Verfahren zur Manipulation des Flusses eines Fluids

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08293754A (ja) * 1995-04-21 1996-11-05 Toko Inc 縦結合共振子型表面弾性波フィルタ
JP2006074202A (ja) 2004-08-31 2006-03-16 Fujitsu Media Device Kk 弾性表面波装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09205342A (ja) * 1996-01-26 1997-08-05 Matsushita Electric Ind Co Ltd 弾性表面波フィルタ
JP3239064B2 (ja) * 1996-05-28 2001-12-17 富士通株式会社 弾性表面波装置
JP3224202B2 (ja) * 1996-11-28 2001-10-29 富士通株式会社 弾性表面波装置
DE19724259C2 (de) * 1997-06-09 2002-11-14 Epcos Ag Dualmode-Oberflächenwellenfilter
JP4331277B2 (ja) 1997-08-22 2009-09-16 日本無線株式会社 弾性表面波フィルタ
JP3478264B2 (ja) * 2000-03-10 2003-12-15 株式会社村田製作所 弾性表面波装置
JP4182976B2 (ja) * 2000-04-18 2008-11-19 株式会社村田製作所 縦結合共振子型弾性表面波フィルタ
JP3391346B2 (ja) * 2000-04-18 2003-03-31 株式会社村田製作所 縦結合共振子型弾性表面波フィルタ
JP3480445B2 (ja) * 2001-01-10 2003-12-22 株式会社村田製作所 弾性表面波装置
JP2004166258A (ja) 2002-10-25 2004-06-10 Hitachi Metals Ltd 平衡−不平衡型マルチバンドフィルタモジュール
US7242268B2 (en) * 2002-10-25 2007-07-10 Hitachi Metals, Ltd. Unbalanced-balanced multiband filter module
JP2004304513A (ja) * 2003-03-31 2004-10-28 Matsushita Electric Ind Co Ltd 弾性表面波装置
ATE552657T1 (de) * 2004-12-28 2012-04-15 Murata Manufacturing Co Symmetrisches/unsymmetrisches filtermodul und kommunikationsvorrichtung
JPWO2006087875A1 (ja) 2005-02-16 2008-07-03 株式会社村田製作所 バランス型弾性波フィルタ装置
CN101375515B (zh) * 2006-01-31 2013-04-17 株式会社村田制作所 复合高频部件及移动通信装置
JP4290199B2 (ja) * 2007-01-11 2009-07-01 富士通メディアデバイス株式会社 フィルタ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08293754A (ja) * 1995-04-21 1996-11-05 Toko Inc 縦結合共振子型表面弾性波フィルタ
JP2006074202A (ja) 2004-08-31 2006-03-16 Fujitsu Media Device Kk 弾性表面波装置

Also Published As

Publication number Publication date
JP2009147740A (ja) 2009-07-02
US7986200B2 (en) 2011-07-26
KR20090064304A (ko) 2009-06-18
JP5016467B2 (ja) 2012-09-05
CN101459417B (zh) 2013-02-06
US20090153269A1 (en) 2009-06-18
CN101459417A (zh) 2009-06-17

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